Parnassus Investments - Parnassus Endeavor Fund Portfolio (Jun 30, 2025)


As of Jun 30, 2025, the Parnassus Endeavor Fund oversees a portfolio valued at approximately $43.35B, featuring 148 publicly traded holdings. This in-depth profile highlights the top investments led by Microsoft (MSFT), Berkshire Hathaway (BRK-B), Waste Management (WM), and others—drawing on its latest SEC filings as of Aug 06, 2025. Explore insights into portfolio composition, allocation strategies, and recent trade activity.

Parnassus Endeavor Fund Strategy Analysis

Investment Strategy Metrics

Key metrics revealing investment style, risk management, and performance characteristics

MetricValueCategoryDescription
Holding Period2.5 yearsStyleAverage duration positions are maintained
Position Count198StyleNumber of active positions in portfolio
Position Size1.0%RiskTypical allocation per position
Win Rate51.1%PerformancePercentage of profitable positions
Average Return1454.9%PerformanceMean return across positions
Sharpe Ratio0.14PerformanceReturn per unit of risk taken

Investment Case Study: Microsoft Corp. (MSFT)

6/30/2013 - 9/22/2025

Performance Metrics

Total Return: 13,930.73%

Holding Period: 4467 days

Max Position Size: $2,680,228.00

Position Weight: 3.94%

Key Events

6/30/2013: ENTRY(100,000.00 shares) @ $0.03
12/31/2018: INCREASE(4,595,407.00 shares) @ $0.10
3/31/2019: DECREASE(-3,206.00 shares) @ $0.12
6/30/2019: INCREASE(4,126,121.00 shares) @ $0.13
9/30/2019: INCREASE(98,111.00 shares) @ $0.14
12/31/2019: DECREASE(-280,215.00 shares) @ $0.16
3/31/2020: DECREASE(-765,535.00 shares) @ $0.16
6/30/2020: DECREASE(-882,872.00 shares) @ $0.20
9/30/2020: DECREASE(-360,356.00 shares) @ $0.21
12/31/2020: INCREASE(126,502.00 shares) @ $0.22
3/31/2021: INCREASE(306,580.00 shares) @ $0.24
6/30/2021: INCREASE(861,038.00 shares) @ $0.27
9/30/2021: INCREASE(268,540.00 shares) @ $0.28
12/31/2021: DECREASE(-220,836.00 shares) @ $0.34

Investment Thesis

Entry Context: Initial position established based on fundamental analysis

Sector Conditions: Favorable market conditions in the sector

Risk Factors:
  • Market volatility
  • Sector-specific risks

Key Learnings

  • Position sizing is critical for portfolio management
  • Important to monitor sector exposure

Sector Allocations